@media screen and (min-width: 1281px){
    html{font-size: 19px;min-width:1100px}
    #saleService{
        height: 1000px;
    }
    #saleService .mac_nav{
        height: 61vh;
    }
    #ysDesc .content_nav .item .img{
        width:38% !important;
    }
    .content .left .item div,#soluteTask .right .desc{
        font-size: 15px;
    }
    #saleService .title_nav .title,#corBrand .title_nav div,#ysDesc .info .title,#goodExample .title_nav span{
        font-size: 30px;
    }
    .mac_nav .center .item,#ysDesc .info .desc,#talentList .title_nav span{
        font-size: 15px;
    }
    .mac_nav .bottom{
        font-size: 16px;
    }
    #soluteTask .right .title,#talentList .title_nav div{
        font-size: 30px;
    }
    .content .left .item span{
        font-size: 21px;
    }
    #goodExample .item .info .title{
        font-size: 28px;
    }
    #goodExample .item .info .line{
        font-size: 15px;
    }
} 
/*屏幕在1024px到1199之间（中屏幕电脑）*/
 @media screen and (min-width: 768px) and (max-width: 1280px){
     html{font-size: 19px;}
     #saleService{
        height: 900px;
    }
    #goodExample .item .info .title{
        font-size: 26px;
    }
    #saleService .mac_nav{
        height: 500px;
    }
    #soluteTask .content .left .item div,#soluteTask .right .desc,#ysDesc .info .desc,#talentList .title_nav span,.mac_nav .center .item,#goodExample .item .info .line{
        font-size: 13px;
    }
    .mac_nav .bottom{
        font-size: 14px;
    }
    .content .left .item span{
        font-size: 16px;
    }
    .mac_nav .center .item span:nth-child(2){
        font-size: 18px !important;
    }
    #saleService .title_nav .title,#corBrand .title_nav div,#corBrand .title_nav div,#talentList .title_nav div,#soluteTask .right .title,#ysDesc .info .title,#goodExample .title_nav span{
        font-size: 26px;
    }
    #soluteTask .content .left .item span{
        font-size: 18px;
    }
    #soluteTask .content .right{
        width: 23%;
    }
    #soluteTask .content .left{
        min-width: 560px;
    }
    #ysDesc .content_nav .item .img{
        width:45%;
    }
    #ysDesc .content_nav .item .img{
        height: 480px !important;
    }
} 
/*屏幕在768px到1023之间（小屏幕-pad）*/
 @media screen and (min-width: 768px) and (max-width:1023px){
     html{font-size: 14px;}
}  
/*屏幕在480px到768之间（主要是手机屏幕）*/
@media screen and (max-width: 768px){
    .one_banner{
        top: 60px !important;
        font-size: 12px;
    }
    .demo-carousel .title3 img{
        width: 15px !important;
    }
    .one_banner .btn{
        margin-top:10px !important;
        min-width:100px !important;
        font-size: 12px !important;
        height: 30px !important;
        min-height: 30px !important;
    }
    .one_banner .title1,.one_banner .title2{
        font-size:16px;
        font-weight: 600;
      }
    #saleService .title_nav .title, #saleService .title_nav .title,#corBrand .title_nav div,#corBrand .title_nav div,#talentList .title_nav div,#soluteTask .right .title,#ysDesc .info .title,#goodExample .title_nav span{
        font-size: 20px;
    }
    #saleService .title_nav .btn,#saleService .title_nav span,.content .left .item div{
        font-size: 12px !important;
    }
    #saleService .title_nav .btn{
        font-size: 15px !important;
    }
    .mac_nav .bottom div{
        min-width: 100px !important;
        font-size: 12px;
    }
    #soluteTask .content .left{
        min-width: 320px !important;
    }
    .data_navs span{
        font-size: 22px !important;
    }
    #goodExample .item .info .label{
        font-size: 13px !important;
    }
}
